Gx Interface Support
▀ Rel. 7 Gx Interface
▄ Cisco ASR 5x00 Packet Data Network Gateway Administration Guide
298
Configuring Rel. 7 Gx Interface
To configure Rel. 7 Gx interface functionality, the IMS Authorization service must be configured at the context level,
and then the APN configured to use the IMS Authorization service.
To configure Rel. 7 Gx interface functionality:
Step 1
Configure IMS Authorization service at the context level for IMS subscriber in GPRS/UMTS network as described in
the
Configuring IMS Authorization Service at Context Level
section.
Step 2
Verify your configuration as described in the
Verifying the Configuration
section.
Step 3
Configure an APN within the same context to use the IMS Authorization service for IMS subscriber as described in the
Applying IMS Authorization Service to an APN
section.
Step 4
Verify your configuration as described in the
Verifying Subscriber Configuration
section.
Step 5
Optional:
Configure the Volume Reporting over Gx feature as described in the
Configuring Volume Reporting over Gx
section.
Step 6
Save your configuration to flash memory, an external memory device, and/or a network location using the Exec mode
command
save configuration
. For additional information on how to verify and save configuration files, refer to the
System Administration Guide
and the
Command Line Interface Reference
.
Important:
Commands used in the configuration examples in this section provide base functionality to
the extent that the most common or likely commands and/or keyword options are presented. In many cases,
other optional commands and/or keyword options are available. Refer to the
Command Line Interface
Reference
for complete information regarding all commands.
Configuring IMS Authorization Service at Context Level
Use the following example to configure IMS Authorization service at context level for IMS subscribers in GPRS/UMTS
networks:
configure
context
<context_name>
ims-auth-service
<imsa_service_name>
p-cscf discovery table { 1 | 2 } algorithm { ip-address-modulus | msisdn-modulus
| round-robin }
p-cscf table { 1 | 2 } row-precedence
<precedence_value>
{ address
<ip_address>
| ipv6-address
<ipv6_address>
} [ secondary { address
<ip_address>
| ipv6-address
<ipv6_address>
} ]
policy-control
diameter origin endpoint
<endpoint_name>